GST Invoice Fields in India: A Simple Checklist for Small Businesses

If you are registered under GST, your invoice format matters. A normal payment invoice and a GST invoice can look similar, but GST invoices usually need more structured details.

This checklist is not a substitute for professional advice, but it can help you review the main fields before sending an invoice.

Common GST invoice fields to review

A GST invoice may need details such as:

• Supplier name, address, and GSTIN
• Invoice number and invoice date
• Recipient name, address, and GSTIN if applicable
• Description of goods or services
• Quantity, rate, and taxable value
• Discount, if any
• Tax rate and tax amount
• CGST, SGST, UTGST, or IGST split where applicable
• Place of supply in relevant cases
• Final invoice total

The exact fields can vary based on the type of supply, customer, registration status, and invoice value.

CGST and SGST vs IGST

For many domestic transactions, tax may be split into CGST and SGST. For inter-state supply, IGST may apply instead.

Example:

• Same-state supply: CGST 9% plus SGST 9%
• Inter-state supply: IGST 18%

The total tax rate can be the same, but the tax labels and reporting treatment are different. That is why the invoice generator allows separate tax lines instead of forcing only one tax field.

Discounts and taxable value

If you give discounts, keep them visible. A discount can affect the amount on which tax is calculated depending on how it is offered and documented.

For simple invoice preparation, show:

• Item amount before discount
• Discount amount or percentage
• Taxable value after discount
• Tax amount
• Final amount

Keep invoice records

GST-related records should be easy to retrieve. Even if you send only PDFs to customers, keep a structured backup of invoice data so you can search invoice numbers, client names, dates, and totals later.

The PaySliceCalc invoice generator can save invoices in your browser, export a JSON backup, and export a CSV list for spreadsheet review.

Bottom line

Before sending a GST invoice, review business details, customer details, tax labels, invoice number, tax calculation, and final amount. Use the Invoice Generator as a starting point, then confirm the final GST treatment with your accountant.

Disclaimer: This guide is for general informational and educational purposes only. It is not tax, legal, accounting, or financial advice. GST rules can change and vary by transaction. This website is not affiliated with GST authorities or any government agency.